Typically, decks that are looking to hit three mana on Turn 2 would like multiple cards that let them do so, but weve generally had the issue that while Mox Opal is the most powerful option, it doesnt play well with cheap green creatures because it wants to use its early mana on artifacts to turn on Mox Opal
A Fire-type Pokemon card, Charizard, will likely need primarily Fire-type Energy to fuel its attacks
Pokmon TCG Online has proven to be a really accessible entry-point for someone who isnt hugely versed in trading card games and whose knowledge of Pokmon, up to this point, hasnt really extended beyond the mainline video games and Pokmon: The First Movie - the latter of which Id prefer to forget
Still, once it resolves, you can choose how to kill your opponent slowly by either casting spells from the top of their library without paying mana, shrinking their hand, killing their creatures, and, if they've survived long enough, exiling all their non-land permanents with the ultimate
After all, Tergrid uses it far better